Family name หย่อน (Yon 
, Slack , หย่อน) , around the globe, is a common last name. The cognomen หย่อน is characteristic of Reunion, where it is quite a common surname, Saint Kitts and Nevis, and Malaysia (explore the name in all countries). Measured by absolute frequency, it is the most numerous in the United States, the United Kingdom, and Malaysia. Likewise, หย่อน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Slack, Yon | United Kingdom, United States, Malaysia, Indonesia, Myanmar |